If you're referring to Bitcoin gold, cash, etc. then these are not related to bitcoin, they're just forks.
This is the original bitcoin that you should buy: https://coinmarketcap.com/currencies/bitcoin/
Go to the markets tab from the link above, and look for BTC/USD (or whatever your currency is) and then choose an exchange. To mention a few reputable ones: Coinbase, Coinmama, Kraken and BitPanda.
Topic: Can you help me ..? - page 2. (Read 247 times)
I just found out what Bitcoin is and how it can be used 
. I want to buy bitcoin for him, but which bitcoin should I buy? Where best to follow the Bitcoin market. Can you write comments that might help me with these things?! 
. I want to buy bitcoin for him, but which bitcoin should I buy? Where best to follow the Bitcoin market. Can you write comments that might help me with these things?! Jump to: